Merge branch 'feature/cpu_restart_sequence' into 'master'

Restart sequence requires set up for app cpu.

These changes required to make correct restart of CPU form JTAG.

See merge request !703

components/bootloader/src/main/bootloader_start.c

@@ -253,6 +253,8 @@ void bootloader_main()
     memset(&bs, 0, sizeof(bs));
 
     ESP_LOGI(TAG, "compile time " __TIME__ );
+    ets_set_appcpu_boot_addr(0); 
+
     /* disable watch dog here */
     REG_CLR_BIT( RTC_CNTL_WDTCONFIG0_REG, RTC_CNTL_WDT_FLASHBOOT_MOD_EN );
     REG_CLR_BIT( TIMG_WDTCONFIG0_REG(0), TIMG_WDT_FLASHBOOT_MOD_EN );